Science Topics term usage 2009-11-17

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

2614	earthquakes
1307	earthquake occurrences
414	volcanoes
332	maps and atlases
188	real-time monitoring and reporting
180	floods
158	mineral resources
127	climate change
113	earthquake probabilities
107	ground water
100	topographic maps
96	contamination and pollution
90	surface water (non-marine)
90	water quality
90	energy resources
88	geospatial analysis
87	invasive species
77	geologic maps
77	map interfaces
74	remote sensing
70	fires
70	avian influenza
61	droughts
53	seismology
52	acid deposition
41	aquatic ecosystems
40	environmental health (human)
40	human impacts
39	river systems
36	hydrogeology
35	land use and land cover
35	geographic information systems (GIS)
35	sediment transport
33	erosion
32	hazards
31	geologic history
31	tectonic processes
31	ground-water flow
30	oil resources
30	biodiversity

Science Topics term usage Tuesday, 2009-11-17